Figure 1 Courtesy of Library of Congress
Patent number US 133236 was granted on November 19, 1872 to Royal H. Lyon for an “Improvement in apparatus for the display of masonic emblems”. This device was an early day picture projector that could show various slides for use in the Masonic lectures.
Figure 2 Google Patent Search
James McCoy of Ypsilanti, Michigan filed a patent for “Improvement in masonic badges” on March 25, 1876 and was granted patent US183318A. His patent would allow a square and compass badge to be moved up and down a pin, with the badge position being used to indicate the position the member held in the lodge.
Figure 3 Google Patent Search
Figure 4 Google Patent Search
WB Gregory J. Knott is the Past Master of St. Joseph Lodge No. 970 in St. Joseph (IL) and a plural member of Ogden Lodge No. 754 (IL), and Homer Lodge No. 199 (IL). He's a member of both the Scottish Rite, and the York Rite, and is the Charter Secretary of the Illini High Twelve Club in Champaign-Urbana. He's also a member of the Ansar Shrine (IL) and the Eastern Illinois Council No. 356 Allied Masonic Degrees. He holds membership also in The Masonic Society, The Scottish Rite Research Society and the Philalethes Society. Greg is very involved in Boy Scouts--an Eagle Scout himself, he serves the Grand Lodge of Illinois A. F. & A. M. as their representative to the National Association of Masonic Scouters